I live in BC but don't know the answers to your questions. However I am going to post a link where you can do some research.
https://www2.gov.bc.ca/gov/content/health/health-drug-coverage/msp/bc-residents/eligibility-and-enrolment/are-you-eligibleAn important thing to know is that prescript
ions are not covered by BC Medical Services Plan, unless you qualify for PharmaCare.
https://www2.gov.bc.ca/gov/content/health/health-drug-coverage/pharmacare-for-bc-residents/about-pharmacare [Edit: my second link doesn't seem to have worked. Maybe just copy & paste the link into your browser].
Perhaps you are coming here to work, in which case you might be covered under your workplace benefits program. You would have to inquire with your workplace about
that.